Handpiece



FIG. 1 is a front bottom perspective view of a handpiece embodying our new design;

FIG. 2 is a right side view thereof;

FIG. 3 is a left view thereof;

FIG. 4 is a top view thereof;

FIG. 5 is a bottom view thereof;

FIG. 6 is a back view thereof;

FIG. 7 is a front view thereof; and,

FIG. 8 is a front top perspective view thereof.

The broken line showing of access plates is for the purpose of illustrating environmental structure and forms no part of the claimed design. 

CLAIM The ornamental design for a handpiece, as shown and described. 